/Engine/Plugins/Experimental/Mutable/Source/CustomizableObject/Classes/MuCO/CustomizableObject.h
Used to set the flag IsRoot
virtual void GetAssetRegistryTags ( [TArray](API\Runtime\Core\Containers\TArray)< [FAssetRegistryTag](API\Runtime\CoreUObject\UObject\UObject\FAssetRegistryTag) > & OutTags ) const